EC
TS6618
TypeScriptERRORNotableConfigHIGH confidence

Remove the 20mb cap on total source code size for JavaScript files in the Typ...

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6618): Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.. This diagnostic is emitted by the TypeScript compiler when remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server..

Why it happens
  1. 1Incorrect TypeScript syntax or type usage
  2. 2Type mismatch between declared and actual value
How to reproduce

TypeScript compiler reports TS6618 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6618
// Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.

expected output

error TS6618: Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.

Fix

Fix the tsconfig.json option

WHEN When a compiler option is invalid or missing

Fix the tsconfig.json option
// tsconfig.json
{
  "compilerOptions": {
    // Review and correct the flagged option
  }
}
// Run: npx tsc --showConfig to see effective config

Why this works

TypeScript validates tsconfig.json options; check the official tsconfig reference for valid values.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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